*{
    margin: 0;
    padding: 0;
}
// 头部样式
header{
    position: relative;
    width: 100vw;
    height: 3rem;
    background: #0b193f url(../images/headbanner.png) no-repeat;
    background-size: 100%;
    color: #fff;
    padding: .6rem .3rem 0;
    box-sizing: border-box;
}
// 底部导航栏
nav{
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100vw;
    height: 1.4rem;
    display: flex;
    align-items: center;
    text-align: center;
    list-style: none;
    box-sizing: border-box;
    background: #fff;
    >li{
        display: flex;
        flex-direction: column;
        font-size: .3rem;
        width: 25%;
        >a{
            text-decoration: none;
            color: #b6bac5;
            >i{
                display: block;
                font-size: .5rem !important;
            }
        }
    }
}
.active{
    >a{
        color: #0b1a40;
    }
}